<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Hello World!</title>
  <meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline';" />
</head>
<body>
<h1>Hello World!</h1>
<p>
  We are using Node.js <span id="node-version"></span>,
  Chromium <span id="chrome-version"></span>,
  and Electron <span id="electron-version"></span>.
</p>
</body>
</html>